Revert "audio policy for concurrent capture."

This reverts commit 4b2fcd8abf90b1bd95539f9f4ef2ac39ce9e2df1.

Bug:26841909

Change-Id: Ifc74b195394b9fb3f73d33455ad061bd896d5331
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
index 42719f6..08b2a3b 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImplLegacy.cpp
@@ -306,7 +306,7 @@
 }
 
 void AudioPolicyService::releaseInput(audio_io_handle_t input,
-                                      audio_session_t session)
+                                      audio_session_t session __unused)
 {
     if (mpAudioPolicy == NULL) {
         return;
@@ -320,7 +320,7 @@
     }
     if (audioPolicyEffects != 0) {
         // release audio processors from the input
-        status_t status = audioPolicyEffects->releaseInputEffects(input, session);
+        status_t status = audioPolicyEffects->releaseInputEffects(input);
         if(status != NO_ERROR) {
             ALOGW("Failed to release effects on input %d", input);
         }